Long-term residents of Baton Rouge learn to cope with heat. Owners of Cadillacs face similar problems. New and used car Cadillacs owned in Baton Rouge have unique summer driving challenges on state roads. Three common Cadillac maintenance problems in the summer are air conditioning, battery, and tire problems. Preemptive maintenance can save you money compared with the cost of summer repairs.
Key Takeaways
- Slower cooling, a new vent odor, or weaker airflow can signal an AC leak or a dirty cabin air filter.
- Have refrigerant, belt tension, condenser coils, and cabin air filters checked before May.
- Heat, not cold, does the most damage to car batteries. Test your battery before and after summer.
- Tire pressure rises about 1 PSI for every 10-degree rise in temperature, so check it monthly when tires are cool.
- Use the door-jamb sticker for the correct pressure and the penny test for tread depth.
Your Air Conditioning System Should Be Inspected Before Summer Begins
This tip may seem obvious, but many drivers fail to take initial symptoms seriously. The most common complaint about automotive air conditioners is insufficient cooling, which typically develops over time. Symptoms of developing cooling problems include cooling that used to take two minutes but now takes five, a faint odor from the air conditioner vents that was not noticeable last summer, and decreased airflow from the center vent. These symptoms are not trivial annoyances; they are warning signs of a small leak in the air conditioning system or a dirty cabin air filter.
Refrigerant recharge costs a few hundred dollars. Replacing your AC compressor, which you might need to do if the leak isn’t fixed, costs $1,000 to $1,400. Replacing the AC compressor and other parts damaged by a refrigerant leak costs $3,000 or more. Louisiana has hot, humid weather from May through September. During these months, your AC compressor runs hard every single day. The best way to avoid problems with your AC system is to have it inspected and other maintenance done, including checking refrigerant levels, belt tension, condenser coils, and cabin air filters, before the hot season starts.
The service center at Gerry Lane Cadillac has technicians who are experts in Cadillac systems. An inspection of your AC system on a used or new car at Gerry Lane Cadillac differs from service you could receive at other auto repair shops. Staff members at Gerry Lane Cadillac have extensive knowledge of the engineering features of your vehicle built by Cadillac.
Summer Temperatures Are More Damaging to Batteries Than Winter Temperatures
Most drivers believe cold weather causes batteries to fail. They are mistaken. AAA responds to nearly 2 million battery service calls each summer. Consumer Reports found that car batteries in hot climates, such as Baton Rouge, Louisiana, have an average life 17 months shorter than batteries in cold climates. Chemical reactions within batteries happen more quickly in hot weather, which harms batteries. Other harmful effects of chemical reactions in hot weather include physical damage to battery plates and electrolyte loss, which can permanently limit a battery’s ability to hold a charge. Damage and other issues that occur during the summer often result in battery failure during the fall or early winter, preventing the battery from providing enough power to start the vehicle.
Tips to improve battery performance in Louisiana’s hot weather include parking your vehicle in the shade or a garage at your destination. Avoid operating equipment like a radio or air conditioner without the engine running. Inspect and clean your battery terminals, which may corrode more quickly in high temperatures and humidity, reducing electrical conductivity. You may want to test your battery before and after the summer months. A battery that passes a test in April could fail a test in October after three months of hot weather in Baton Rouge.
Tires Should Be Tested Monthly for Pressure and Tread in Hot Weather Conditions
Tire pressure rises by approximately 1 PSI for each 10-degree rise in ambient temperature. If a properly inflated tire is left parked in the sun on asphalt in Baton Rouge on a 95-degree day, it may have 4 to 5 PSI more pressure in the afternoon. Both overinflation and underinflation can be problems in hot weather. Overinflated tires have reduced traction due to less contact with the road. Underinflated tires are more likely to overheat and blow out in hot weather due to flexing of the tire sidewall when driving on hot asphalt.
Check your tire pressure at least once a month when the tires are cool. Check the sticker on your car’s door jamb, not the tire sidewall, for the proper tire pressure. Check your tire tread depth using the penny test. Place a penny in the tire tread groove with Lincoln’s head facing down. If you can see all of Lincoln’s head, your tires have less than 2/32 inch of tread depth and need to be replaced. Rotating your tires every 5,000 to 7,500 miles can help the tires wear evenly and last longer.
Schedule car service, including tire rotation, and explore new and used cars with us at Gerry Lane Cadillac. Get Cadillac maintenance before hot weather damages your vehicle. Call or visit us today.
Frequently Asked Questions
What are the warning signs of a failing car AC system?
Warning signs include cooling that takes longer than it used to, a faint odor from the vents, and decreased airflow from the center vent. These can indicate a small refrigerant leak or a dirty cabin air filter.
Does hot weather really damage car batteries more than cold weather?
Yes. Heat speeds up chemical reactions inside the battery, which can damage battery plates and cause electrolyte loss. Consumer Reports found that batteries in hot climates have an average life 17 months shorter than batteries in cold climates.
How much does heat change tire pressure?
Tire pressure rises by approximately 1 PSI for each 10-degree rise in ambient temperature. A tire parked in the sun on a 95-degree day may have 4 to 5 PSI more pressure in the afternoon.
Where do I find the correct tire pressure for my Cadillac?
Check the sticker on your car's door jamb, not the tire sidewall, for the proper tire pressure. Check pressure at least once a month when the tires are cool.
When should I have my Cadillac AC inspected in Baton Rouge?
Have your AC system inspected before the hot season starts. Louisiana has hot, humid weather from May through September, so a spring inspection at Gerry Lane Cadillac helps catch problems early.
Repair cost ranges are general estimates provided for informational purposes only; actual costs vary by vehicle, model year, and condition. Battery statistics cited from AAA and Consumer Reports. Always follow the tire pressure and maintenance recommendations in your Cadillac Owner’s Manual.
Gerry Lane Cadillac, 10945 Reiger Road, Baton Rouge, LA 70809.
